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FR2614693B1 - HIGH PRECISION LEVEL RULES - Google Patents

HIGH PRECISION LEVEL RULES

Info

Publication number
FR2614693B1
FR2614693B1 FR8706280A FR8706280A FR2614693B1 FR 2614693 B1 FR2614693 B1 FR 2614693B1 FR 8706280 A FR8706280 A FR 8706280A FR 8706280 A FR8706280 A FR 8706280A FR 2614693 B1 FR2614693 B1 FR 2614693B1
Authority
FR
France
Prior art keywords
high precision
precision level
level rules
rules
precision
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR8706280A
Other languages
French (fr)
Other versions
FR2614693A1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to FR8706280A priority Critical patent/FR2614693B1/en
Publication of FR2614693A1 publication Critical patent/FR2614693A1/en
Application granted granted Critical
Publication of FR2614693B1 publication Critical patent/FR2614693B1/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C9/00—Measuring inclination, e.g. by clinometers, by levels
    • G01C9/18—Measuring inclination, e.g. by clinometers, by levels by using liquids
    • G01C9/20—Measuring inclination, e.g. by clinometers, by levels by using liquids the indication being based on the inclination of the surface of a liquid relative to its container
    • G01C9/22—Measuring inclination, e.g. by clinometers, by levels by using liquids the indication being based on the inclination of the surface of a liquid relative to its container with interconnected containers in fixed relation to each other

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Length-Measuring Instruments Using Mechanical Means (AREA)
FR8706280A 1987-04-30 1987-04-30 HIGH PRECISION LEVEL RULES Expired FR2614693B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8706280A FR2614693B1 (en) 1987-04-30 1987-04-30 HIGH PRECISION LEVEL RULES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8706280A FR2614693B1 (en) 1987-04-30 1987-04-30 HIGH PRECISION LEVEL RULES

Publications (2)

Publication Number Publication Date
FR2614693A1 FR2614693A1 (en) 1988-11-04
FR2614693B1 true FR2614693B1 (en) 1989-07-21

Family

ID=9350757

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8706280A Expired FR2614693B1 (en) 1987-04-30 1987-04-30 HIGH PRECISION LEVEL RULES

Country Status (1)

Country Link
FR (1) FR2614693B1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4067117A (en) * 1976-06-03 1978-01-10 Bernard Ray A Grade checking tool
FR2462226A1 (en) * 1979-07-26 1981-02-13 Revol Jean Two way built in spirit level for portable drill - indicates horizontal and vertical bit alignments using diagonal mirror in cuboid capsule
CH660789A5 (en) * 1984-10-05 1987-06-15 Gbm Mecanic S A BUBBLE LEVEL WITH DISTANCE MEASUREMENT GRADUATION.

Also Published As

Publication number Publication date
FR2614693A1 (en) 1988-11-04

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Legal Events

Date Code Title Description
ST Notification of lapse